← The evidence ledger
Evidence row 2202021
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://css-design-calc.x402tookit.com/box-size
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d32b74c57cc694e4975cd12cf397c375f58b45bda31e8f37500f0d97151cd702
- Leaf
- 0x25258ecd3fcfe50b69b8277ada553a55378134d2f9d71bff4a38d3854113c844
What was observed
{
"endpoints": [
[
"x402",
"https://css-design-calc.x402tookit.com/box-size"
]
],
"name": "CSS Design Calc",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "CSS box model sizes: content, padding, border and margin boxes from a width and height under content-box or border-box.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"border": 2,
"boxSizing": "content-box",
"height": 200,
"margin": 10,
"padding": 20,
"width": 300
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T14:32:42.869Z",
"borderBoxHeight": 244,
"borderBoxWidth": 344,
"boxSizing": "content-box",
"contentHeight": 200,
"contentWidth": 300,
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"marginBoxHeight": 264,
"marginBoxWidth": 364,
"notChecked": [
"margin collapsing between siblings and parents",
"min-width, max-width and flex or grid sizing",
"…1 more"
],
"paddingBoxHeight": 240,
"paddingBoxWidth": 340,
"reasons": [
"width and height set the CONTENT box; padding and border are added outside it."
],
"source": "CSS Box Model Level 3 (width applies to the content box or the border box depending on box-sizing), computed locally",
"summary": "Under content-box, a 300 x 200 box has content 300 x 200, border box 344 x 244, margin box 364 x 264.",
"verdict": "COMPUTED",
"widthToSetForBorderBox": 344,
"widthToSetForContentBox": 300
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"border": {
"description": "Border on each side, px (default 0)",
"type": "number"
},
"boxSizing": {
"description": "content-box (default) or border-box",
"enum": [
"content-box",
"border-box"
],
"type": "string"
},
"height": {
"description": "The CSS height value, px (default = width)",
"type": "number"
},
"margin": {
"description": "Margin on each side, px (default 0)",
"type": "number"
},
"padding": {
"description": "Padding on each side, px (default 0)",
"type": "number"
},
"width": {
"description": "The CSS width value, px",
"type": "number"
}
},
"required": [
"width"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"borderBoxHeight": {
"type": [
"null",
"number"
]
},
"borderBoxWidth": {
"type": [
"null",
"number"
]
},
"boxSizing": {
"type": [
"null",
"string"
]
},
"contentHeight": {
"type": [
"null",
"number"
]
},
"contentWidth": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"marginBoxHeight": {
"type": [
"null",
"number"
]
},
"marginBoxWidth": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"paddingBoxHeight": {
"type": [
"null",
"number"
]
},
"paddingBoxWidth": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"widthToSetForBorderBox": {
"type": [
"null",
"number"
]
},
"widthToSetForContentBox": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:46:34.099Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:46:33.931Z"
},
"resource": "https://css-design-calc.x402tookit.com/box-size",
"serviceName": "CSS Design Calc",
"tags": [
"css",
"box-model",
"layout",
"box-sizing"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "CSS box model sizes: content, padding, border and margin boxes from a width and height under content-box or border-box."
}What the leaf hashes
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Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
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- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af